“I have the server and the client source,” he wrote. “Did I mention the game was fully completed, but never released? Riot doesn't want you to play this game. Take it up with them.”

Following this, he then threatened to upload 200-megabytes worth of material, but is believed to stopped after being contacted by Merrill.

Once Merrill had retaken control of his Twitter account, he played down the League of Legends: Supremacy leak: “We're always working on a variety of new ideas for League & beyond. Lots of experimentation that may never see the light of day :)”